Gears!Gears!Gears! Wacky Wigglers - Shape - 130 Pieces Motorized building set provides a fun, creative way for students to develop their imagination and fine-motor skills by building wacky glowing creatures. Hands-on design with spinning gears builds early STEM skills, including problem-solving, critical thinking, perseverance and more. 130-piece set colorful gears, springs, chomping teeth, flashing lights with included battery, whiskers and glow-in-the-dark eyeballs for endless creative combinations. Battery-operated design requires three AA batteries (sold separately). Building set is designed for children ages 5 and above.